import {mapGetters} from 'vuex'
export default {
	computed:{
		...mapGetters('m_cart',["total"])
	},
		
	watch:{
		total(){
			this.setBadge()
		}
	},
	onShow() {
		this.setBadge()
	},
	methods: {
	setBadge(){
		uni.setTabBarBadge({
			index:2,
			text:this.total + ''
		})
	}
	}
}